Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 373
ipally in place of batteries intelegraph main stations, for charging storage batteries in centralenergy telephone stations, and for electrocautery and electroplatingwork. This type of machine is made only in the smaller sizes, theoutput being rarely as high as one kilowatt. The motor winding… … Fig. 110. C & C Welding Set with Switchooard Attachment 108 shows a Crocker-Wheeler dynamotor. A type of dynamotorlargely used by telephone companies for ringing telephone bells hasthe generating winding furnishing current through collector ringsand therefore has only one commutator, the one on…
Electrical engineering
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